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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/midi/midi_manager.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/debug/trace_event.h"
namespace media {
#if !defined(OS_MACOSX) && !defined(OS_WIN) && !defined(USE_ALSA) && \
!defined(OS_ANDROID) && !defined(OS_CHROMEOS)
MidiManager* MidiManager::Create() {
return new MidiManager;
}
#endif
MidiManager::MidiManager()
: initialized_(false) {
}
MidiManager::~MidiManager() {
}
bool MidiManager::StartSession(MidiManagerClient* client) {
// Lazily initialize the MIDI back-end.
if (!initialized_)
initialized_ = Initialize();
if (initialized_) {
base::AutoLock auto_lock(clients_lock_);
clients_.insert(client);
}
return initialized_;
}
void MidiManager::EndSession(MidiManagerClient* client) {
base::AutoLock auto_lock(clients_lock_);
ClientList::iterator i = clients_.find(client);
if (i != clients_.end())
clients_.erase(i);
}
void MidiManager::DispatchSendMidiData(MidiManagerClient* client,
uint32 port_index,
const std::vector<uint8>& data,
double timestamp) {
NOTREACHED();
}
bool MidiManager::Initialize() {
TRACE_EVENT0("midi", "MidiManager::Initialize");
return false;
}
void MidiManager::AddInputPort(const MidiPortInfo& info) {
input_ports_.push_back(info);
}
void MidiManager::AddOutputPort(const MidiPortInfo& info) {
output_ports_.push_back(info);
}
void MidiManager::ReceiveMidiData(
uint32 port_index,
const uint8* data,
size_t length,
double timestamp) {
base::AutoLock auto_lock(clients_lock_);
for (ClientList::iterator i = clients_.begin(); i != clients_.end(); ++i)
(*i)->ReceiveMidiData(port_index, data, length, timestamp);
}
} // namespace media
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